/Engine/Source/Runtime/Landscape/Classes/LandscapeInfo.h
Moves Splines connected to this control point to target Proxy. CreatesULandscapeSplinesComponentif needed.
void MoveSpline ( [ULandscapeSplineControlPoint](API\Runtime\Landscape\ULandscapeSplineControlPoint) * InControlPoint, [TScriptInterface](API\Runtime\CoreUObject\UObject\TScriptInterface)< [ILandscapeSplineInterface](API\Runtime\Landscape\ILandscapeSplineInterface) > InNewOwner )